Home / 3,632.78-5,013.63-2,217.31

Finding the Fourth Proportional to 3,632.78, 5,013.63 and 2,217.31

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Solution

The fourth proportional to 3,632.78, 5,013.63 and 2,217.31 is: 3,060.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,632.78 : 5,013.63 = 2,217.31 : x
  2. Step 2: Convert to fraction form
    3,632.78/5,013.63 = 2,217.31/x
  3. Step 3: Cross multiply
    3,632.78x = 5,013.63 × 2,217.31
  4. Step 4: Simplify right side
    3,632.78x = 11,116,759.40
  5. Step 5: Solve for x
    x = 11,116,759.40/3,632.78
  6. Step 6: Final answer
    x = 3,060.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.